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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0602742 (2012-09-04) |
등록번호 | US-9011431 (2015-04-21) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 12 인용 특허 : 1039 |
An electrical ablation apparatus comprises first and second electrodes. Each electrode comprises a first end configured to couple an energy source and a second end configured to couple to a tissue treatment region. An energy source is coupled to the first and second electrodes. The energy source is
An electrical ablation apparatus comprises first and second electrodes. Each electrode comprises a first end configured to couple an energy source and a second end configured to couple to a tissue treatment region. An energy source is coupled to the first and second electrodes. The energy source is configured to deliver a first series of electrical pulses sufficient to induce cell necrosis by irreversible electroporation and a second series of electrical pulses sufficient to induce cell necrosis by thermal heating, through at least one of the first and second electrodes. The first series of electrical pulses is characterized by a first amplitude, a first pulse length, and a first frequency. The second series of electrical pulses is characterized by a second amplitude, a second pulse length, and a second frequency.
1. An electrical ablation apparatus, comprising: an elongate tubular body extending from a distal end to a proximal end;an inflatable conductive elastomer electrode having a surface formed entirely of an electrically conductive elastomer;a non-conductive catheter; andan energy source coupled to the
1. An electrical ablation apparatus, comprising: an elongate tubular body extending from a distal end to a proximal end;an inflatable conductive elastomer electrode having a surface formed entirely of an electrically conductive elastomer;a non-conductive catheter; andan energy source coupled to the inflatable conductive elastomer electrode, the energy source configured to deliver a first series of electrical pulses sufficient to induce cell necrosis by irreversible electroporation through the inflatable conductive elastomer electrode;wherein the first series of electrical pulses are characterized by a first amplitude, a first pulse length, and a first frequency. 2. The electrical ablation apparatus of claim 1, wherein the inflatable conductive elastomer electrode comprises: a conductive terminal coupled to the inflatable conductive elastomer electrode; anda first conductive wire coupled to the conductive terminal on one end and coupled to a first terminal of the energy source on another end. 3. The electrical ablation apparatus of claim 2, comprising: a return electrode; anda second electrically conductive wire coupled to the return electrode on one end and coupled to a second terminal of the energy source on another end. 4. The electrical ablation apparatus of claim 1, wherein the inflatable conductive elastomer electrode comprises: an elastomeric matrix; andan electrically conductive metallic filler material infiltrated in the elastomeric matrix;wherein the inflatable conductive elastomer electrode has elastic properties of the elastomeric matrix and electrically conductive properties of the metallic filler material. 5. The electrical ablation apparatus of claim 1, wherein the first amplitude is selected in a range of about ±100 to about ±3000 VDC, the first pulse length is selected in a range of about 1 μs to about 100 ms, and the first period is selected in a range of about 1 Hz to about 10000 Hz.
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